The GEARWRENCH XL GearBoxT double box ratcheting wrenches feature a non-ratcheting box end for breaking loose stubborn fasteners and a ratcheting box end to make quick work of loosening and tightening fasteners without having to remove the wrench. The wrenches are up to 40% longer than our standard double box ratcheting wrenches providing more access and strength to fasteners. The ratcheting box end is designed to need as little as 5° to move fasteners versus 30° for standard wrenches. The wrenches are made from a strong alloy steel with a bright, full polish chrome finish. The ratcheting box end features off-corner loading for a better grip on the fastener and reduces fastener rounding. The 0° offset on both ends and slim profile of the wrench provides greater access to fasteners in the tightest spaces. The 85988 is a 12 piece metric set that includes sizes 8 mm to 19 mm and comes with a tray for storage and organization. XL GearBoxT design has a longer beam to increase leverage and torque. Non-ratcheting end for breaking loose stubborn fasteners. 0° Offset and slim profile to access the tightest spaces and recessed fasteners. Off-corner loading design on box end for better grip and reduced fastener rounding. XL GearBox design has a longer beam to increase leverage and torque, 0 degree offset and slim profile to access the tightest spaces and recessed fasteners, Longer beam increases leverage to maximize torque at the non-ratcheting box end for breaking loose stubborn fasteners, Improved end strength, Surface Drive Plus reduces fastener rounding, Ratcheting box-end needs as little as 5 degrees to move fastener vs 30 degrees for standard box end wrenches. Assembled Product Dimensions (L x W x H). 16.75 x 11.75 x 1.75 Inches.